222221121122222 has 64 divisors (see below), whose sum is σ = 346754151127296. Its totient is φ = 106738268313600.

The previous prime is 222221121122177. The next prime is 222221121122227.

222221121122222 is nontrivially palindromic in base 10.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 222221121122191 and 222221121122200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222221121122227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1144882793 + ... + 1145076875.

It is an arithmetic number, because the mean of its divisors is an integer number (5418033611364).

Almost surely, 2^{222221121122222} is an apocalyptic number.

222221121122222 is a deficient number, since it is larger than the sum of its proper divisors (124533030005074).

222221121122222 is a wasteful number, since it uses less digits than its factorization.

222221121122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195105.

The product of its digits is 2048, while the sum is 26.

The spelling of 222221121122222 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, one hundred twenty-one million, one hundred twenty-two thousand, two hundred twenty-two".